#include <grid.hpp>

Collaboration diagram for Grid< Device >:

Public Member Functions
	Grid (NLReader::NamelistReader &nlr, const GridFiles &grid_files, const DomainDecomposition< DeviceType > &pol_decomp, const MagneticField< DeviceType > &magnetic_field)

	Grid ()

template<class Device2 >
Grid< Device2 >	mirror () const

void	write_to_file () const

KOKKOS_INLINE_FUNCTION void	psi_search (double psi, double &wp, int &ip) const

template<PhiInterpType PIT>
KOKKOS_INLINE_FUNCTION void	nearest_node (const SimdGridWeights< Order::One, PIT > &grid_wts, SimdGridWeights< Order::Zero, PIT > &grid_wts0) const

template<PhiInterpType PIT>
KOKKOS_INLINE_FUNCTION void	get_grid_weights (const MagneticField< Device > &magnetic_field, const SimdVector &v, const Simd< double > &psi, SimdVector2D &xff, SimdGridWeights< Order::One, PIT > &grid_wts) const

template<PhiInterpType PIT>
KOKKOS_INLINE_FUNCTION void	get_grid_weights (const MagneticField< Device > &magnetic_field, const SimdVector &v, SimdVector2D &xff, SimdGridWeights< Order::One, PIT > &grid_wts) const

template<PhiInterpType PIT>
KOKKOS_INLINE_FUNCTION void	get_grid_weights (const MagneticField< Device > &magnetic_field, const SimdVector &v, const Simd< double > &psi_in, SimdGridWeights< Order::Zero, PIT > &grid_wts) const

template<PhiInterpType PIT>
KOKKOS_INLINE_FUNCTION void	get_grid_weights (const MagneticField< Device > &magnetic_field, const SimdVector &v, const Simd< double > &psi_in, SimdGridWeights< Order::One, PIT > &grid_wts) const

template<PhiInterpType PIT>
KOKKOS_INLINE_FUNCTION void	get_grid_weights (const MagneticField< Device > &magnetic_field, const SimdVector &v, SimdGridWeights< Order::Zero, PIT > &grid_wts) const

template<PhiInterpType PIT>
KOKKOS_INLINE_FUNCTION void	get_grid_weights (const MagneticField< Device > &magnetic_field, const SimdVector &v, SimdGridWeights< Order::One, PIT > &grid_wts) const

KOKKOS_INLINE_FUNCTION void	get_wall_index (const Simd< bool > &just_left_the_grid, const SimdVector2D &x, const SimdGridWeights< Order::One, PIT_GLOBAL > &grid_wts, Simd< int > &widx) const

KOKKOS_INLINE_FUNCTION void	wedge_modulo_phi (Simd< double > &phi_mod) const

KOKKOS_INLINE_FUNCTION double	wedge_modulo_phi (double phi) const

KOKKOS_INLINE_FUNCTION bool	node_is_inside_psi_range (const MagneticField< Device > &magnetic_field, const int node) const

KOKKOS_INLINE_FUNCTION int	get_plane_index (double phi) const

KOKKOS_INLINE_FUNCTION int	get_node_index (int triangle_index, int tri_vertex_index) const

KOKKOS_INLINE_FUNCTION double	node_area_to_volume (const MagneticField< Device > &magnetic_field, double area, int node_index) const

KOKKOS_INLINE_FUNCTION void	get_triangle_area_and_volume (const MagneticField< Device > &magnetic_field, int i, double &area, double &volume) const

KOKKOS_INLINE_FUNCTION bool	node_is_in_region_1_or_2_no_wall (const int inode) const

KOKKOS_INLINE_FUNCTION bool	node_is_in_private_region_no_wall (const int inode) const

KOKKOS_INLINE_FUNCTION bool	node_is_in_included_region (const int inode, const bool exclude_private_region) const

KOKKOS_INLINE_FUNCTION bool	node_is_in_region_1_or_2 (const MagneticField< Device > &magnetic_field, const int inode) const

KOKKOS_INLINE_FUNCTION int	uses_rz_basis (const int inode) const

KOKKOS_INLINE_FUNCTION double	get_r (const int inode) const

KOKKOS_INLINE_FUNCTION void	get_rz_coordinates (const int inode, double &r, double &z) const

KOKKOS_INLINE_FUNCTION void	get_rz_coordinates (const Simd< int > &grid_inds, SimdVector2D &x) const

KOKKOS_INLINE_FUNCTION RZPair	get_wall_rz (int i_wall) const

template<>
void	write_to_file () const

Public Attributes
bool	axisymmetric

Plane< Device >	midplane

Plane< Device >	lplane

Plane< Device >	rplane

int	ntriangle
	Number of grid triangles. More...

int	nnode
	Number of grid nodes. More...

int	nplanes
	Number of planes. More...

double	wedge_angle
	The size of the wedge (the model is periodic in phi, a angle of e.g. pi means half the tokamak is modeled) More...

double	delta_phi
	Distance between planes. More...

double	inv_delta_phi
	1/delta_phi More...

int	nwall

int	npsi_surf2

double	minval_psi_surf2

double	maxval_psi_surf2

UniformRange	psi00

Kokkos::View< double *, Kokkos::LayoutRight, Device >	psi
	An array of psi coordinates. More...

Kokkos::View< double *, Kokkos::LayoutRight, Device >	bfield
	Magnetic field magnitude at nodes. More...

Kokkos::View< double *, Kokkos::LayoutRight, Device >	psi_surf2

Kokkos::View< int *, Kokkos::LayoutRight, Device >	wall_nodes

VolumesAndAreas	volumes_and_areas

Projection< HostType >	half_plane_ff

Projection< HostType >	ff_rplane_to_neighbors

Projection< HostType >	ff_lplane_to_neighbors

Projection< HostType >	ff_to_midplane

Private Member Functions
template<>
	Grid (NLReader::NamelistReader &nlr, const GridFiles &grid_files, const DomainDecomposition< DeviceType > &pol_decomp, const MagneticField< DeviceType > &magnetic_field)

Friends
template<class Device2 >
class	Grid

Constructor & Destructor Documentation

template<class Device>

Grid< Device >::Grid	(	NLReader::NamelistReader &	nlr,
		const GridFiles &	grid_files,
		const DomainDecomposition< DeviceType > &	pol_decomp,
		const MagneticField< DeviceType > &	magnetic_field
	)

template<class Device>

Grid< Device >::Grid ( )

inline

template<>

Grid< HostType >::Grid	(	NLReader::NamelistReader &	nlr,
		const GridFiles &	grid_files,
		const DomainDecomposition< DeviceType > &	pol_decomp,
		const MagneticField< DeviceType > &	magnetic_field
	)

private

< Calculate node volume using Monte-Carlo method (true), or analytic method (false)

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Member Function Documentation

template<class Device>

template<PhiInterpType PIT>

KOKKOS_INLINE_FUNCTION void Grid< Device >::get_grid_weights	(	const MagneticField< Device > &	magnetic_field,
		const SimdVector &	v,
		const Simd< double > &	psi_in,
		SimdVector2D &	xff,
		SimdGridWeights< Order::One, PIT > &	grid_wts
	)		const

Get the grid triangle and vertex weights for a vector of locations. Name is historical and should change

Parameters

[in]	magnetic_field	The magnetic field object (currently global so technically unnecessary)
[in]	v	Vector of (r,z, phi) coordinates
[in]	phi	Vector of phi coordinates
[in]	psi_in	Vector of psi coordinates
[out]	xff	Vector of (r,z) coordinates mapped along B-field to midplane
[out]	itr	Vector of grid triangles
[out]	p	Vector of triangle vertex weights

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template<class Device>

template<PhiInterpType PIT>

KOKKOS_INLINE_FUNCTION void Grid< Device >::get_grid_weights	(	const MagneticField< Device > &	magnetic_field,
		const SimdVector &	v,
		SimdVector2D &	xff,
		SimdGridWeights< Order::One, PIT > &	grid_wts
	)		const

template<class Device>

template<PhiInterpType PIT>

KOKKOS_INLINE_FUNCTION void Grid< Device >::get_grid_weights	(	const MagneticField< Device > &	magnetic_field,
		const SimdVector &	v,
		const Simd< double > &	psi_in,
		SimdGridWeights< Order::Zero, PIT > &	grid_wts
	)		const

template<class Device>

template<PhiInterpType PIT>

KOKKOS_INLINE_FUNCTION void Grid< Device >::get_grid_weights	(	const MagneticField< Device > &	magnetic_field,
		const SimdVector &	v,
		const Simd< double > &	psi,
		SimdGridWeights< Order::One, PIT > &	grid_wts
	)		const

Get the grid triangle and vertex weights for a vector of locations. Name is historical and should change

Parameters

[in]	magnetic_field	The magnetic field object
[in]	v	Vector of (r,z,phi) coordinates
[in]	psi	Vector of psi coordinates
[out]	itr	Vector of grid triangles
[out]	p	Vector of triangle vertex weights

template<class Device>

template<PhiInterpType PIT>

KOKKOS_INLINE_FUNCTION void Grid< Device >::get_grid_weights	(	const MagneticField< Device > &	magnetic_field,
		const SimdVector &	v,
		SimdGridWeights< Order::Zero, PIT > &	grid_wts
	)		const

template<class Device>

template<PhiInterpType PIT>

KOKKOS_INLINE_FUNCTION void Grid< Device >::get_grid_weights	(	const MagneticField< Device > &	magnetic_field,
		const SimdVector &	v,
		SimdGridWeights< Order::One, PIT > &	grid_wts
	)		const

Get the grid triangle and vertex weights for a vector of locations. Name is historical and should change

Parameters

[in]	magnetic_field	The magnetic field object
[in]	v	Vector of (r,z,phi) coordinates
[out]	itr	Vector of grid triangles
[out]	p	Vector of triangle vertex weights

template<class Device >

KOKKOS_INLINE_FUNCTION int Grid< Device >::get_node_index	(	int	triangle_index,
		int	tri_vertex_index
	)		const

Returns the index of the node (0-indexed), for a given triangle and triangle vertex index

Parameters

[in]	triangle_index	the index of the triangle (1-indexed)
[in]	tri_vertex_index	the index of the requested vertex on the triangle

Returns: int the index of the node (0-indexed)

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template<class Device >

KOKKOS_INLINE_FUNCTION int Grid< Device >::get_plane_index ( double phi ) const

Returns the index of the plane, rounded down.

Parameters

[in] phi the phi value

Returns: int the index of the plane

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template<class Device >

KOKKOS_INLINE_FUNCTION double Grid< Device >::get_r ( const int inode ) const

Accesses the r coordinate of the grid node

Parameters

[in] inode grid node to check

Returns: double the r coordinate

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template<class Device >

KOKKOS_INLINE_FUNCTION void Grid< Device >::get_rz_coordinates	(	const int	inode,
		double &	r,
		double &	z
	)		const

Returns rz coordinates of a single node

Parameters

[in]	inode	node index
[out]	r	r coordinate
[out]	z	z coordinate

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template<class Device >

KOKKOS_INLINE_FUNCTION void Grid< Device >::get_rz_coordinates	(	const Simd< int > &	grid_inds,
		SimdVector2D &	x
	)		const

Returns vector of rz coordinates of the input node indices

Parameters

[in]	grid_inds	Vector of node indices
[out]	x	Vector of rz coordinates

template<class Device>

KOKKOS_INLINE_FUNCTION void Grid< Device >::get_triangle_area_and_volume	(	const MagneticField< Device > &	magnetic_field,
		int	i,
		double &	area,
		double &	volume
	)		const

Returns analytical calculation of triangle area and projected volume

Parameters

[in]	magnetic_field	is the magnetic field
[in]	i	is the triangle index (0-indexed)
[out]	area	is the triangle area
[out]	volume	is the triangle projected volume

Returns: void

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template<class Device >

KOKKOS_INLINE_FUNCTION void Grid< Device >::get_wall_index	(	const Simd< bool > &	just_left_the_grid,
		const SimdVector2D &	x,
		const SimdGridWeights< Order::One, PIT_GLOBAL > &	grid_wts,
		Simd< int > &	widx
	)		const

Find nearest wall point for a vector of locations.

Parameters

[in]	just_left_the_grid	Vector of whether particles have left the grid
[in]	x	Vector of (r,z) coordinates
[in]	itr	Vector of grid triangles the particles were last in
[in]	p	Vector of the vertex weighting in those triangles
[out]	widx	Vector of wall point indices

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template<class Device >

KOKKOS_INLINE_FUNCTION RZPair Grid< Device >::get_wall_rz ( int i_wall ) const

Returns the (r,z) coordinates of a wall vertex given the index in wall_nodes

Parameters

[in] i_wall is the wall index requested

Returns: RZPair the (r,z) coordinates of the wall vertex

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template<class Device>

template<class Device2 >

Grid<Device2> Grid< Device >::mirror ( ) const

inline

template<class Device >

template<PhiInterpType PIT>

KOKKOS_INLINE_FUNCTION void Grid< Device >::nearest_node	(	const SimdGridWeights< Order::One, PIT > &	grid_wts,
		SimdGridWeights< Order::Zero, PIT > &	grid_wts0
	)		const

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template<class Device>

KOKKOS_INLINE_FUNCTION double Grid< Device >::node_area_to_volume	(	const MagneticField< Device > &	magnetic_field,
		double	area,
		int	node_index
	)		const

Returns analytical calculation of node volume by projecting the node area into the toroidal direction Assumes the center of mass is the node

Parameters

[in]	magnetic_field	is the magnetic field
[in]	area	is the area of the node
[in]	node_index	is the node index

Returns: double the area owned by the node

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template<class Device >

KOKKOS_INLINE_FUNCTION bool Grid< Device >::node_is_in_included_region	(	const int	inode,
		const bool	exclude_private_region
	)		const

Checks if a grid node lies within an included region. This excludes wall nodes and the private region if specified.

Parameters

[in]	inode	grid node to check
[in]	exclude_private_region	whether to private region is excluded

Returns: bool true if in included region

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template<class Device >

KOKKOS_INLINE_FUNCTION bool Grid< Device >::node_is_in_private_region_no_wall ( const int inode ) const

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template<class Device>

KOKKOS_INLINE_FUNCTION bool Grid< Device >::node_is_in_region_1_or_2	(	const MagneticField< Device > &	magnetic_field,
		const int	inode
	)		const

Checks if a grid node lies within region 1 or 2. Note this is subtly different from rgn, because rgn also has a wall option

Parameters

[in]	magnetic_field	the magnetic field object
[in]	inode	grid node to check

Returns: bool true if in region 1 or 2

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template<class Device >

KOKKOS_INLINE_FUNCTION bool Grid< Device >::node_is_in_region_1_or_2_no_wall ( const int inode ) const

Checks if a grid node lies within region 1 or 2. Excludes wall since rgn is a different value there

Parameters

[in] inode grid node to check

Returns: bool true if in region 1 or 2

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template<class Device>

KOKKOS_INLINE_FUNCTION bool Grid< Device >::node_is_inside_psi_range	(	const MagneticField< Device > &	magnetic_field,
		const int	node
	)		const

Checks if a grid node lies within the simulation domain (radially).

Parameters

[in]	magnetic_field	the magnetic field object (currently global so technically unnecessary)
[in]	node	grid node to check (0-indexed)

Returns: bool true if inside, false if outside

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template<class Device >

KOKKOS_INLINE_FUNCTION void Grid< Device >::psi_search	(	double	psi,
		double &	wp,
		int &	ip
	)		const

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template<class Device >

KOKKOS_INLINE_FUNCTION int Grid< Device >::uses_rz_basis ( const int inode ) const

Whether the field uses an r-z or a psi-theta basis.

Parameters

[in] inode grid node to check

Returns: int 1 if rz basis, 0 if psi-theta basis

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template<class Device >

KOKKOS_INLINE_FUNCTION void Grid< Device >::wedge_modulo_phi ( Simd< double > & phi_mod ) const

Modulo phi in place: Keep phi between 0 and wedge_angle. Best algorithm as long as the particles haven't left the wedge multiple times over

Parameters

[in,out] phi_mod Vector of phi coordinates

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template<class Device >

KOKKOS_INLINE_FUNCTION double Grid< Device >::wedge_modulo_phi ( double phi ) const

Modulo phi in place: Keep phi between 0 and wedge_angle. Best algorithm as long as the particles haven't left the wedge multiple times over

Parameters

[in,out] phi_mod Vector of phi coordinates

template<class Device>

void Grid< Device >::write_to_file ( ) const

template<>

void Grid< HostType >::write_to_file ( ) const

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Friends And Related Function Documentation

template<class Device>

template<class Device2 >

friend class Grid

friend

Member Data Documentation

template<class Device>

bool Grid< Device >::axisymmetric

template<class Device>

Kokkos::View<double*,Kokkos::LayoutRight,Device> Grid< Device >::bfield

Magnetic field magnitude at nodes.

template<class Device>

double Grid< Device >::delta_phi

Distance between planes.

template<class Device>

Projection<HostType> Grid< Device >::ff_lplane_to_neighbors

template<class Device>

Projection<HostType> Grid< Device >::ff_rplane_to_neighbors

template<class Device>

Projection<HostType> Grid< Device >::ff_to_midplane

template<class Device>

Projection<HostType> Grid< Device >::half_plane_ff

template<class Device>

double Grid< Device >::inv_delta_phi

1/delta_phi

template<class Device>

Plane<Device> Grid< Device >::lplane

template<class Device>

double Grid< Device >::maxval_psi_surf2

template<class Device>

Plane<Device> Grid< Device >::midplane

template<class Device>

double Grid< Device >::minval_psi_surf2

template<class Device>

int Grid< Device >::nnode

Number of grid nodes.

template<class Device>

int Grid< Device >::nplanes

Number of planes.

template<class Device>

int Grid< Device >::npsi_surf2

template<class Device>

int Grid< Device >::ntriangle

Number of grid triangles.

template<class Device>

int Grid< Device >::nwall

template<class Device>

Kokkos::View<double*,Kokkos::LayoutRight,Device> Grid< Device >::psi

An array of psi coordinates.

template<class Device>

UniformRange Grid< Device >::psi00

template<class Device>

Kokkos::View<double*,Kokkos::LayoutRight,Device> Grid< Device >::psi_surf2

template<class Device>

Plane<Device> Grid< Device >::rplane

template<class Device>

VolumesAndAreas Grid< Device >::volumes_and_areas

template<class Device>

Kokkos::View<int*,Kokkos::LayoutRight,Device> Grid< Device >::wall_nodes

template<class Device>

double Grid< Device >::wedge_angle

The size of the wedge (the model is periodic in phi, a angle of e.g. pi means half the tokamak is modeled)

The documentation for this class was generated from the following files:

/u/gitlab-xgc/builds/YGMz2TJ8/0/xgc/XGC-Devel/XGC_core/cpp/grid.hpp
/u/gitlab-xgc/builds/YGMz2TJ8/0/xgc/XGC-Devel/XGC_core/cpp/grid.tpp

Public Member Functions

Public Attributes

Private Member Functions

Friends

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation